Definition

Noun: 1. Spike-board, caltrop: A defensive weapon consisting of a board or plate embedded with sharp spikes, designed to be placed on the ground to impede the movement of enemy troops, animals, or vehicles. It is a type of trap. 2. (Military) Caltrop: A more general term for a spiked obstacle used in warfare to slow down or injure advancing forces.

Usage Examples

• Noun:
  • Quân đội đã rải bàn chông để chặn đường tiến của địch. (The army scattered spike-boards to block the enemy's advance.)
  • Bàn chông là một loại vũ khí phòng thủ thô sơ nhưng hiệu quả. (The spike-board is a rudimentary but effective defensive weapon.)
  • Anh ta vô tình giẫm phải một cái bàn chông. (He accidentally stepped on a caltrop.)

Advanced Usage

• "giăng bàn chông" / "rải bàn chông": To lay or scatter spike-boards/caltrops.
  • Khu vực này đã bị giăng bàn chông. (This area has been laid with spike-boards.)
• "cắm bàn chông": To implant or set spike-boards.
  • Họ cắm bàn chông xung quanh doanh trại. (They set spike-boards around the camp.)

Variants and Related Words

• Chông: (Noun) Spike, stake; often refers to sharpened bamboo stakes used as traps. While bàn chông specifically implies a board or plate with multiple spikes, chông can be a single stake or a collection.
  • Hố chông: Punji stick pit, a pit filled with sharpened stakes.
• Bẫy: (Noun) Trap. Bàn chông is a specific type of bẫy.

Synonyms

• Caltrop: (English) The closest direct equivalent, especially in a military context.
• Spike strip: (English) A modern variant often used to deflate tires.
• Obstacle / Booby trap: (English) General terms for impediments and hidden traps.

Related Phrases

(Note: As a noun, 'bàn chông' does not form phrasal verbs. The related phrases are fixed verb-noun combinations.) - Đạp phải bàn chông: To step on a spike-board. - Xe địch đã đạp phải bàn chông và không thể di chuyển. (The enemy vehicle hit a spike-board and could not move.)

Related Idioms

(Note: There are no common idioms centered solely on the word 'bàn chông'. Its usage is primarily literal and technical, related to warfare or trapping.)

noun

1. Spike-board